The Alimentary Canal The alimentary canal is a tube that extends from the mouth to the anus‚ about thirty feet in length‚ and lined throughout by mucous membrane. The alimentary canal walls have four basic layers or tunics. These are the mucosa‚ the submucosa‚ the muscularis externa‚ and either a serosa or adventitia. Each of these layers has a predominant tissue type and a specific function in the digestive process. The mucosa is the wet epithelial membrane abutting the alimentary canal lumen
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the Vanderbilt Medical Center and Vanderbilt University campus. Organized 25 years ago by Dr‚ William H.Frist and Dr. J. Harold Helderman‚ the VTC is a full-service‚ multidisciplinary transplant center specializing in heart‚ lung‚ liver‚ kidney‚ pancreas and stem cell transplantation. Staff of the VTC recognizes the value of treating and supporting each transplant patient as a whole person. The Vanderbilt doctor‚ nurses‚ and staff have always focused not only one aspect of transplantation but the
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secretions they make do not leave the glands through ducts‚ and instead they pass into the blood circulating through the substance of the glands. The endocrine glands in the body are the pineal‚ pituitary‚ thyroid‚ parathyroid‚ adrenal‚ parts of the pancreas and parts of the ovaries and testes. Some of the endocrine glands produce one hormone‚ where others produce two or more. The digestive
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Capstone Project: Type 1 Diabetes Mellitus Kaplan University March 11‚ 2014 Type 1 diabetes also referred to as T1DM is a form of diabetes that results from the autoimmune destruction of the insulin producing beta cells in the pancreas. It is usually diagnosed in children and young adults. The body doesn’t produce insulin in type 1 diabetes and insulin is needed for the person affected to have energy needed for everyday life. The body has trouble breaking down sugar in the blood
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What is high sugar and what is low sugar? Both are the same. There is not much difference between the two. We will now see why it is so. For example‚ let us say that there are 500 units of sugar in the food that a person eats. Let us assume that out of these 500‚ 100 become good sugars and 400 become bad sugars during the digestion. These 500 sugars mix in the blood. Let us assume that there is no stored glycogen available in his body. What will happen now? The 100 good sugars will get insulin
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A human body system A system of human body means a collective functional unit made by several organs in which the organs work in complete coordination with one another. Organs cannot work alone because their are certain needs of every organ that need to be fulfilled and the organ itself cannot fulfill those needs. So all organs of human body need the support of other organs to perform their functions and in this way an organ system is formed. Example of dependance of organs of a system on one
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organ of the body. Some of the organ specific disorders are: chronic hepatitis - a disease that affects the liver‚ Addison’s disease affecting the adrenal glands‚ pernicious anemia which affects the stomach‚ diabetes (insulin dependent) affecting the pancreas and Hashimoto’s disease that affects the thyroid glands. Researchers believe that there are many factors that can be attributed as the cause of autoimmune diseases. Drugs‚ pollution‚ certain types of viruses‚ heredity are some of the attributed
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to the thymus‚ and it also develops killer T cells. The pancreas is important in regulating the blood sugar levels within the body and to achieve this it secretes both hormones and enzymes. Islets of langerhans are located within the pancreas and aid in insulin and glucagon production while enzymes such as lipase‚ proteases and pancreatic amylase are created by the pancreas. Occasionally the body can produce antibodies that attack the pancreas
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Advancements of Medicine in the 1920’s Medicine had a huge advancement in the 1920s. Many scientists had discovered medicines‚ but it was hard for them to purify them and give them to people. Because of the discovery of penicillin‚ insulin‚ Band-Aids‚ and vitamins‚ the lives of the American people were greatly changed. Band-Aids were invented in 1920. An employee at Johnson and Johnson‚ Earle Dickson‚ made a way to help his wife with the various cuts that she would get throughout the day. He made
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Unit 5 task 3 (P5 M2 D2) – explain the concept of homeostasis‚ discuss the probable homeostatic response to changes in the internal environment during exercise‚ how homeostatic mechanisms control temperature‚ breathing and heart rate and evaluate the importance of homeostasis in maintaining healthy functioning of the body. Homeostasis Homeostasis is the maintenance of a constant internal environment in organisms. It involves volume of blood and tissue fluid within restricted limits‚ it also maintains
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